Добірка наукової літератури з теми "Diagnostics and monitoring of technical state"
Оформте джерело за APA, MLA, Chicago, Harvard та іншими стилями
Ознайомтеся зі списками актуальних статей, книг, дисертацій, тез та інших наукових джерел на тему "Diagnostics and monitoring of technical state".
Біля кожної праці в переліку літератури доступна кнопка «Додати до бібліографії». Скористайтеся нею – і ми автоматично оформимо бібліографічне посилання на обрану працю в потрібному вам стилі цитування: APA, MLA, «Гарвард», «Чикаго», «Ванкувер» тощо.
Також ви можете завантажити повний текст наукової публікації у форматі «.pdf» та прочитати онлайн анотацію до роботи, якщо відповідні параметри наявні в метаданих.
Статті в журналах з теми "Diagnostics and monitoring of technical state"
1
Khalyasmaa, Alexandra I., Stepan A. Dmitriev, and Sergey E. Kokin. "Monitoring and Diagnostics Systems Application at 35-110 kV Substations." Advanced Materials Research 694-697 (May 2013): 1329–33. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.1329.
Повний текст джерелаАнотація:
The present paper is devoted to the issue of the monitoring and technical diagnostics systems of 35-110 kV substations equipment. The primary task of this paper is to prove the possibility of using the system analysis data of technical diagnostics equipments for the integral estimation of substation equipment in cases there is no possibility to establish a monitoring system for technical, economic or other reasons. As an example, an analysis of state of electrical equipment and the technical diagnostics data of real large load center are performed. In this paper the main data analysis methods of technical diagnostics are presented.
2
Petrishchev, Nikolay A., Mikhail N. Kostomakhin, Aleksandr S. Sayapin, Igor’ M. Makarkin, Efim V. Pestryakov, and Konstantin K. Molibozhenko. "OPERATIONAL ASSESSMENT OF THE LIMIT STATE OF TRACTOR UNITS WITH THE USE OF INDICATOR COUNTERS." Tekhnicheskiy servis mashin 3, no. 144 (September 2021): 12–21. http://dx.doi.org/10.22314/2618-8287-2021-59-3-12-21.
Повний текст джерелаАнотація:
In accordance with GOST 20793-2009, the tractor and its components are subjected to resource diagnostics before maintenance. The technical condition of the components of the tractor or machine should be checked with the use of control and diagnostic equipment. Currently, the criteria for the limit state are significantly outdated and require revision from the point of view of tightening modern requirements for operational and economic characteristics and reliability indicators. (Research purpose) The research purpose is in analyzing the state of the issue and the current regulatory documentation and making proposals for remote monitoring of the criteria for the limit states of individual components and aggregates. (Materials and methods) The article presents an analysis of scientific and technical documentation, State standards of the Russian Federation and scientific papers on the problems of minimizing technological risks, diagnostics and control suitability for determining the maximum technical condition, and staged studies on the possibility of monitoring the operation of individual components and units online. The article notes the need to adjust the criteria for the maximum technical condition in accordance with the new designs of resource-determining units, aggregates and existing technical regulations. (Results and discussion). The article presents the justification of the diagnostic process and identified contradictions in the design of tractors and existing scientific and technical documentation and standards, and proposed option of using meters-identifiers when upgrading tractors as a system of built-in online diagnostic tools. (Conclusions) Timely, automated monitoring of the technical condition of tractors, which is based on comparing data with the criteria of the limit condition, serves as a justification for the effective operation of equipment with built-in devices for diagnostics, which allows minimizing agrotechnological risks.
3
Kostyukov, Vladimir N., and Alexey V. Kostyukov. "Self-Diagnostics of Piezoelectric Transducers." Key Engineering Materials 613 (May 2014): 204–12. http://dx.doi.org/10.4028/www.scientific.net/kem.613.204.
Повний текст джерелаАнотація:
Equipment technical state monitoring systems contain hundreds of vibration and temperature sensors for real-time health monitoring of machinery. Monitoring systems reliability should significantly exceed the units stock reliability, being protected from accidents and incidents.The paper considers the approach to monitoring systems reliability growth, primarily by means of providing control (monitoring) of measuring-converter path technical condition. Sensors are the weakest point, due not only to wear, but also to damage, caused by repair personnel when servicing equipment. The self-diagnostics method for channels with piezoelectric transducers and the choice of optimal self-diagnostics circuits parameters have been suggested. The results of practical implementation have been provided as well.
4
Bandurin, Mikhail A., Irina F. Yurchenko, and Victor A. Volosukhin. "Remote Monitoring of Reliability for Water Conveyance Hydraulic Structures." Materials Science Forum 931 (September 2018): 209–13. http://dx.doi.org/10.4028/www.scientific.net/msf.931.209.
Повний текст джерелаАнотація:
Analysis of current methods for control and evaluation of technical state for different water conveyance constructions in the field of hydraulic engineering and reclamation was carried out and it showed the necessity of their improvement and development. Significant indices of technical state and operational capability resource of the constructions were defined. Promising methods for evaluation of structures technical state based on the methods of non-destroying control are substantiated. Fundamental principles to carry out technical state monitoring and evaluation of remaining live of projects operational capability were formulated, with the results of methodological approaches analysis in various fields of knowledge were taken into account. Automated technology for technical diagnostics of constructions by the methods of non-destroying instrumental control was developed. This control secures determination of remaining live operational capability of structural elements and structure safety deficit for information support of decision making on operation measures. Ecologo-economic efficiency from adaptation of software and hardware complex for reliability diagnostics of hydraulic structures is stipulated by time expenditure shortening on survey carrying out, by higher quality of decision making and by automation of routine operations for information, collecting, processing and interpretating.
5
Šoltésová, Stanislava, and Petr Baron. "Diagnostic Methods Assigned for Monitoring the Operating Fault State of Production Equipments." Applied Mechanics and Materials 404 (September 2013): 473–77. http://dx.doi.org/10.4028/www.scientific.net/amm.404.473.
Повний текст джерелаАнотація:
Technical diagnostics that is currently the most important factor of reliability deals with the forms of speech disorders, process, detection and operation principle. As a tool, it ́s very important for the operation and maintaince of production equipments. It detects safety and reliability of economic efficiency, it optimizes costs for the continuity of production and quality of the final products. There is recorded great interest for it not only in the scientific sphere, but also in the application sphere of its results in the newly developed methods and their application in the professional practice. This article describes the use of tools of technical diagnostics in the workplaces to monitor the behaviour of production equipments.
6
Mykhalevskiy, D. V. "TECHNICAL DIAGNOSIS OF WIRELESS CHANNELS OF 802.11 STANDARD." Proceedings of the O.S. Popov ОNAT 1, no. 2 (December 31, 2020): 111–20. http://dx.doi.org/10.33243/2518-7139-2020-1-2-111-120.
Повний текст джерелаАнотація:
The main task when designing 802.11 wireless networks is to create access with the highest possible channel bandwidth for an individual subscriber. This problem is solved in two ways: calculation and test diagnostics of networks at the design stage; optimization of networks during operation based on technical diagnostics and monitoring. This paper investigates and clarifies the existing terminology for technical diagnostics and control for 802.11 wireless channels. As a result, it is established that radio monitoring is the first stage of technical diagnostics on the basis of which it is possible to obtain statistical characteristics about the change of channel parameters over time. The second stage includes models and methods of analysis and evaluation of channel parameters, considering the influence of various destabilizing factors with control operations. Based on the obtained terminology, a structural-consequential diagnostic model was proposed for the 802.11 wireless channel, which provides a formalized description of the object needed to solve the problems of diagnosis and control. The model uses the general structure of the channel and physical layer of the 802.11 standard and energy and information diagnostic parameters, which is valid for any wireless channel. The level of reliability of technical diagnostics of wireless channels is provided due to the built-in means of monitoring of subscriber devices, the number of input parameters and the observation period. In addition, an assessment of the suitability of the channel for traffic transmission is provided, which involves comparing the bit rate with the obtained technical diagnostic data. This is relevant in the current trends of improving the quality of modern infocommunication services, which significantly increases the bandwidth requirements of channels. The proposed model of technical diagnostics is a concept of methodology. It includes the use of: improved and new developed by the author's own methodological approaches to conducting research on wireless channels; acquired new knowledge about the operation of these channels under the influence of phenomena existing in the transmission medium; new models and methods for estimating energy and information parameters and the relationships between them; methods of evaluation and statistical processing of theoretical and empirical research.
7
Zamikhovskyi, L. M., O. L. Zamikhovska, and V. V. Pavlyk. "Methodology for monitoring the technical condition of GPU type GTK-25i in the process of operation." Scientific Bulletin of Ivano-Frankivsk National Technical University of Oil and Gas, no. 2(49) (December 30, 2020): 106–16. http://dx.doi.org/10.31471/1993-9965-2020-2(49)-106-116.
Повний текст джерелаАнотація:
In the early 1980s, 120 gas compressor units (GPU) type GTK-25i were installed on the Urengoy-Pomary-Uzhgorod transcontinental gas pipeline, and three of them are in operation at CS-39 “U-P-U” of the Bogorodchansk Linear Production Department of trunk gas pipelines. Today, about 80% of GPU type GTK-25i have worked out the established service life, or those close to it. Their further operation does not ensure reliable and efficient operation, and therefore numerous failures and accidents occur, leading to significant economic losses. Methods of parametric and vibroacoustic diagnostics of GPU are analyzed. It is noted that the most fruitful years of development of the methods of vibroacoustic diagnostics of GPUs are the 70-90s of the last century. Today, their development is taking place in the direction of using modern information technologies and various transformations in the processing of vibroacoustic processes to identify diagnostic signs of the technical state of the GPU. The methods of diagnosing GPU type GTK-25i the analysis showed their absence. The exception is certain methods of their diagnostics based on modern information technologies, which were developed by the authors of the article. At the same time, the carried out improvement of the automatic control system (ACS) of the GPU type GTK-25i in terms of its technical and software makes it possible to obtain information about additional, in comparison with the standard ACS, technological parameters of the GPU type GTK-25i operation and vibroacoustic processes that accompany its operation. and can be used to create diagnostic methods for GPU type GTK-25i. The methodology for monitoring the technical condition of GPU type GTK-25i based on the determination of the highest values of the discriminant functions for each of the three technical states of GPU type GTK-25i for 16 technological parameters and acoustic and vibration characteristics is considered. At the same time, the best "nominal" condition is considered to be the state of GPU type GTK-25i after the repair work, the "defective" state "- before the repair work, and" current "- after the corresponding operating time of the GPU type GTK-25i. The use of the technique made it possible to develop a complex method, which is a combination of parametric and vibroacoustic diagnostics methods. It is shown that the use of the proposed method allows tracing the trend of changes in the technical state of GPU type GTK-25i in time and predicting the moment of its decommissioning. The developed method does not require additional technical means for its implementation, as it receives information from the improved ACS GPU type GTK-25i, which, in turn, can use the diagnostic results to control the gas compression process, taking into account the technical condition of the GPU type GTK-25i.
8
Kopkin, Evgeniy, and Igor Kobzarev. "Information Value Measure for Optimization of Flexible Diagnosis Programs of Technical Objects." SPIIRAS Proceedings 18, no. 6 (November 29, 2019): 1434–61. http://dx.doi.org/10.15622/sp.2019.18.6.1434-1461.
Повний текст джерелаАнотація:
Existing methods of calculating of the value of diagnostic information circulating in the automated systems of monitoring of technical condition of objects do not take into account "losses" ("gains") resulting from making “wrong” decisions when identifying this state. The purpose of the work is to develop an algorithm that allows to solve the problem of recognizing the technical state of the object being analyzed by means of dynamic programming, the value of the diagnostic information as an optimized indicator being used. The solution to the optimization problem of a diagnostic procedure is based on the use of a measure of the information value proposed by R. L. Stratonovich. It is modified according to the subject area of the technical diagnostics and in the case when the diagnostic features presented in the form of intervals on the real numerical axis are used. The maximum value of the diagnostic information is achieved by minimizing the average "losses" (maximizing the average "gains") obtained when performing tests of diagnostic signs in the process of recognizing the technical condition of an object. To solve the problem, a recurrent expression possessing a scientific novelty has been proposed. It allows to calculate the value of the information obtained when performing tests of diagnostic signs in each of the analyzed information states of the diagnostic process. In the process of the diagnostics program implementation when recognizing the technical condition of the object both “losses” and “winnings” are possible. The difference between their a priori and a posteriori means values characterizes the value of the diagnostic information numerically. The magnitude of the information value indication depends on the probabilities of the results of the diagnostic signs checks and is proportional to the difference between the a posteriori and a priori probabilities of achieving the diagnostic goal. By using the proposed solution, it is possible to synthesize the flexible diagnostics program that is optimal according to the maximum value of diagnostic information in the form of a oriented graph or sets of tests in proper sequence of their execution. This is necessary in order to recognize the specific technical state in which the object is located. The implementation of the algorithm developed is possible in the software and algorithmic support of the automated systems for monitoring the state of complex technical objects.
9
Sharko, A. O. "The metal structures technical diagnostics system by acoustuc emission method control process automation models and schematic solution." METHODS AND DEVICES OF QUALITY CONTROL, no. 1(44) (June 24, 2020): 24–34. http://dx.doi.org/10.31471/1993-9981-2020-1(44)-24-34.
Повний текст джерелаАнотація:
The need to develop hardware for the technical diagnostics of the strength properties of metal structures is explained by the need for continuous monitoring of the state of industrial objects in the systems of technical diagnostics, which allow to record the force response to changes caused by changes in the loading conditions of the material structure. The current state of technical diagnostics equipment is considered. It is proved that the main principle of control automation in the systems of technical diagnostics of the strength properties of materials by acoustic emission methods is the detection and identification of signals, their amplification, frequency filtering, discrimination and normalization of pulses in duration and amplitude. The use of these operations allows the automated passport system to process the primary data in real time and to perform an integrated assessment of the state of the object at different stages of its life cycle. A structural diagram of the receiving equipment for measuring acoustic emission parameters, a number of designs of acoustic sensors and hardware for processing acoustic emission signals, which guarantee high quality performance of metal structures. On the basis of the analysis of modern and foreign equipment, which became widespread in the practice of technical diagnostics by the method of acoustic emission, the directions of formation of the acoustic tract of diagnostic equipment and the basic requirements for the design of the recording equipment are formulated. It is established that information support of automated systems of control and diagnostics of metal structures requires determination of their informative parameters. It is proved that the main characteristic of diagnostics of the state of metal structures in the course of their operation is the flow of AE signals, which is determined by the average value of the pulse amplitude, the dispersion of the amplitude, the amplitude distribution, the amplitude frequency distribution of time intervals between pulses. The recovery of information obtained by the diagnostic system from the AE source is the basic principle of the construction of automated control systems and diagnostics of metal structures.
10
Mamoutova, Olga V., Svetlana V. Shirokova, Mikhail B. Uspenskij, and Aleksandra V. Loginova. "The ontology-based approach to data storage systems technical diagnostics." E3S Web of Conferences 91 (2019): 08018. http://dx.doi.org/10.1051/e3sconf/20199108018.
Повний текст джерелаАнотація:
Monitoring and diagnosing the state of data storage systems, as well as assessing reliability and troubleshooting, require a formalized health model. A comparative analysis of existing knowledge representation methods has shown that an ontological approach is well suited for this task. This paper introduces a machine-represented data storage reliability ontology with an expert health model as baseline data. Classes of the ontology include the key terms of the reliability domain. Stated requirements for data interpretation tools allow further processing of the ontology-based knowledge base. Described ontology-based diagnostic systems have shown their applicability in the case of data storage systems in the construction industry.
Дисертації з теми "Diagnostics and monitoring of technical state"
1
Holub, Ondřej. "Proaktivní diagnostika a monitorování stavu trojfázových asynchronních motorů v průmyslovém podniku." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241220.
Повний текст джерелаАнотація:
This master thesis deals with the proactive diagnostics and monitoring of state of the three phase asynchronnous motors in industrial company Bosch Diesel Jihlava. In master thesis is designed diagnostics system based on the selected suitable diagnostics methods and other appropriate process monitors the status of these technical equipments.
2
Білянін, Роман Володимирович. "Тепловий контроль технічного стану індукційних установок для виробництва мідної катанки". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41338.
Повний текст джерелаАнотація:
Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.11.13 – прилади і методи контролю та визначення складу речовин. – Національний технічний університет "Харківський політехнічний інститут", м. Харків, 2019 р.
У дисертації вирішено важливе наукове завдання розвитку методів теплового контролю технічного стану індукційних установок виробництва високоякісної мідної катанки на основі використання математичного моделювання електротеплових процесів, аналізу розподілу температури в багатошаровій термоізоляції установок з урахуванням її деградації та розподілу температури на їх поверхні, що має суттєве значення для розвитку кабельної промисловості. Розроблено новий метод неруйнівного контролю технічного стану індукційних установок для виготовлення мідної катанки енергетичного призначення, в якому крім вимірювання реактивного та активного опорів індуктора та різниці температури води у системі охолодження додатково визначається ступінь деградації багато-шарової термоізоляції шляхом порівняння розрахункового розподілу поточної температури в об'ємі розплаву та ізоляції на тривимірній математичній моделі установки з практичним вимірюванням температури локальних областей (у роботі їх було 72) поверхні корпусу печі. Це дає можливість точніше прогнозувати ресурс печі та завчасно виявляти режими її роботи близькі до аварійних. Розроблено нове технічне рішення з удосконалення багатошарової термоізоляції індукційних установок з метою зменшення їхніх енерговитрат і збільшення ресурсу. Воно полягає у застосуванні замість третього термоізоляційного шару з легковагої цегли трьох шарів: монолітного вогнетривкого бетону, легковагої цегли та вогнетривкого паперу, зі збереженням загальної товщини ізоляції. Впровадження результатів дисертації в індукційній установці UPCAST US20X-10 для виготовлення мідної катанки в ПАТ "ЗАВОД ПІВДЕНКАБЕЛЬ" дало позитивні результати у зниженні на 20°C температури на корпусі печі, скороченні на 5-15% питомої витрати електроенергії на 1 тонну катанки та поліпшенні її якості шляхом зменшення відсотку сторонніх домішок і забезпечення вмісту в ній міді 99,99%.The thesis for a Candidate of Engineering Sciences degree by specialty 05.11.13 – devices and methods of control and determination of composition of substances. – National technical university "Kharkov polytechnic institute", Kharkiv, 2019. The thesis solves the important scientific task to improve methods of control of the technical condition of induction installations for the production of high-quality copper rod using the mathematical modeling of electrothermal processes in copper melt and multi-layer thermal insulation, with taking into account its degradation and temperature distribution on the installation surface, which is essential for the development of cable industry. A new method of non-destructive control of the technical condition of induction installations for the production of copper rod for power cables of energy value is developed, in which in addition to measuring the reactive and active resistances of the inductor and the reduction of the water temperature in the cooling system, the degree of degradation of multilayer thermal insulation is additionally determined by comparing the calculated distribution of the current temperature in the volume of melt and insulation on a three-dimensional mathematical model of the installation with practical measurement of temperature in local areas (in the work they were 72) of the surface of the furnace casing. This makes it possible to more accurately predict the furnace's profile and to detect the modes of its operation in a timely manner close to the emergency. A new technical solution for improving the multilayer thermoinsulation of induction installations has been developed in order to reduce their energy consumption and increase the resource. It consists in applying instead of the third thermal insulation layer of light-weight brick of three layers: monolithic refractory concrete, lightweight brick and refractory paper, with the preservation of the overall thickness of the insulation. The implementa-tion of the developed lining structure improvement at PJSC " YUZHCABLE WORKS" in the UPCAST US20X-10 induction installation for copper rod in the cable industry in Ukraine has yielded positive results in a 20°C decrease in the temperature of the furnace casing, a reduction of 5-15% of the specific cost Electricity for 1 ton of production and improvement of quality of copper rod, by reducing the percentage of foreign impurities and ensuring copper content in it 99,99%.
3
Білянін, Роман Володимирович. "Тепловий контроль технічного стану індукційних установок для виробництва мідної катанки". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/41340.
Повний текст джерелаАнотація:
Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.11.13 – прилади і методи контролю та визначення складу речовин. – Національний технічний університет "Харківський політехнічний інститут", м. Харків, 2019 р.
У дисертації вирішено важливе наукове завдання розвитку методів теплового контролю технічного стану індукційних установок виробництва високоякісної мідної катанки на основі використання математичного моделювання електротеплових процесів, аналізу розподілу температури в багатошаровій термоізоляції установок з урахуванням її деградації та розподілу температури на їх поверхні, що має суттєве значення для розвитку кабельної промисловості. Розроблено новий метод неруйнівного контролю технічного стану індукційних установок для виготовлення мідної катанки енергетичного призначення, в якому крім вимірювання реактивного та активного опорів індуктора та різниці температури води у системі охолодження додатково визначається ступінь деградації багато-шарової термоізоляції шляхом порівняння розрахункового розподілу поточної температури в об'ємі розплаву та ізоляції на тривимірній математичній моделі установки з практичним вимірюванням температури локальних областей (у роботі їх було 72) поверхні корпусу печі. Це дає можливість точніше прогнозувати ресурс печі та завчасно виявляти режими її роботи близькі до аварійних. Розроблено нове технічне рішення з удосконалення багатошарової термоізоляції індукційних установок з метою зменшення їхніх енерговитрат і збільшення ресурсу. Воно полягає у застосуванні замість третього термоізоляційного шару з легковагої цегли трьох шарів: монолітного вогнетривкого бетону, легковагої цегли та вогнетривкого паперу, зі збереженням загальної товщини ізоляції. Впровадження результатів дисертації в індукційній установці UPCAST US20X-10 для виготовлення мідної катанки в ПАТ "ЗАВОД ПІВДЕНКАБЕЛЬ" дало позитивні результати у зниженні на 20°C температури на корпусі печі, скороченні на 5-15% питомої витрати електроенергії на 1 тонну катанки та поліпшенні її якості шляхом зменшення відсотку сторонніх домішок і забезпечення вмісту в ній міді 99,99%.The thesis for a Candidate of Engineering Sciences degree by specialty 05.11.13 – devices and methods of control and determination of composition of substances. – National technical university "Kharkov polytechnic institute", Kharkiv, 2019. The thesis solves the important scientific task to improve methods of control of the technical condition of induction installations for the production of high-quality copper rod using the mathematical modeling of electrothermal processes in copper melt and multi-layer thermal insulation, with taking into account its degradation and temperature distribution on the installation surface, which is essential for the development of cable industry. A new method of non-destructive control of the technical condition of induction installations for the production of copper rod for power cables of energy value is developed, in which in addition to measuring the reactive and active resistances of the inductor and the reduction of the water temperature in the cooling system, the degree of degradation of multilayer thermal insulation is additionally determined by comparing the calculated distribution of the current temperature in the volume of melt and insulation on a three-dimensional mathematical model of the installation with practical measurement of temperature in local areas (in the work they were 72) of the surface of the furnace casing. This makes it possible to more accurately predict the furnace's profile and to detect the modes of its operation in a timely manner close to the emergency. A new technical solution for improving the multilayer thermoinsulation of induction installations has been developed in order to reduce their energy consumption and increase the resource. It consists in applying instead of the third thermal insulation layer of light-weight brick of three layers: monolithic refractory concrete, lightweight brick and refractory paper, with the preservation of the overall thickness of the insulation. The implementa-tion of the developed lining structure improvement at PJSC " YUZHCABLE WORKS" in the UPCAST US20X-10 induction installation for copper rod in the cable industry in Ukraine has yielded positive results in a 20°C decrease in the temperature of the furnace casing, a reduction of 5-15% of the specific cost Electricity for 1 ton of production and improvement of quality of copper rod, by reducing the percentage of foreign impurities and ensuring copper content in it 99,99%.
4
Zářecký, Tomáš. "Online diagnostika obráběcích strojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2020. http://www.nusl.cz/ntk/nusl-417767.
Повний текст джерелаАнотація:
This thesis deals with vibration diagnostics and on-line monitoring systems of several producers. Furthermore, this thesis contains a description and evaluation of measuring the vibrations of the machine tool spindle when machining test samples with different cutting conditions and evaluating the surface quality of test samples.
5
Зікратий, С. В. "Розробка методу діагностування заглиблених електроустановок для видобутку нафти". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2002. http://elar.nung.edu.ua/handle/123456789/3941.
Повний текст джерелаАнотація:
Дисертація присвячена розробці методу діагностування заглибних електроустановок для видобутку нафти, що базується на оцінці крутного моменту на валу заглибних електродвигунів. Розроблена діагностична модель відцентрового насосу, обгрунтовано вибір діагностичної ознаки його стану, на основі якої розроблено алгоритм і метод діагностування. Визначено умови працездатності розробленого методу. Розроблено систему діагностування, визначено критерій її організації та проведена оцінка ефективності. Основні результати роботи знайшли промислове впровадження на нафтовидобувному підприємстві НГВУ „Чернігівнафтогаз”, а також в навчальному процесі.Диссертация посвящена разработке метода диагностирования погружных электроуст ановок для добычи нефти, который базируется на оценке крутящего момента на вале погружного эектродвигателя. Разработана диагностическая модель центробежного насоса, обосновано выбор диагностического признака его состояния, на основе которого разработано алгоритм и метод диагностирования. Определено условия работоспособности разработанного метода. Разработано систему диагностирования, определен критерий ее организации и проведена оценка эффективности. Основные результаты работы нашли промышленное внедрение на нефтедобывающем предприятии НГДП «Чернигофнефтегаз», а также в учебном процессе. Диссертация состоит из вступления, пяти разделов и приложений. Во вступлении обоснована актуальность работы, сформированы цели и практическая ценность работы, отображены основные результаты работы, которые выносятся на защиту. В первом разделе исследованы условия возникновения постепенных отказов установок ЭЦН, обосновано выбор закона их распределения и определены его параметры. Проведен критический анализ современного состояния методов и средств диагностирования состояния установок ЭЦН в процессе эксплуатации. Показано, что при диагностировании состояния ЭЦН наиболее часто то используются методы вибродиагностики, которые не позволяют оценить состояние установки ЭЦН на уровне ее узлов, а дают только интегральную оценку состояния. Показано перспективность использования оценки крутящего момента на вале ПЭД, как диагностического признака состояния центробежного насоса (ЦН) и обусловлено использование непрямых методов измерения его измерения. На основании анализа современного состояния проблемы сформулированы цель и задачи исследования. Во втором разделе рассматриваются теоретические положения метода диагностирования состояния УЭЦН. Построена диагностическая модель центробежного насоса, в основу которой положен метод электрогидравлических аналогий. Модель позволила описать изменения крутящего момента на вале ПЭД, которые обусловлены износом его рабочих органов. Построена передаточная функция установки ЭЦН, которая позволила определить условия работоспособности в области динамических параметров установки, как наложение ограничений на перемещение кореней характеристического уравнения в комплексной плоскости. В третьем разделе рассматривается методическое, техническое и программное обеспечение экспериментальных исследования взаимосвязи крутящего момента на вале ПЭД и износом рабочих органов ЦН. Разработана информационно-измерительная система, состоящая из блока первичных преобразователей , мультиплексора, АЦП и микропроцессорного устройства, в качестве которого использована ПЭВМ класа АТ-286. Разработано программное обеспечении измерительной системы. В основу работы системы положен алгоритм измерения крутящего момента на основании метода энергетических диаграмм. В четвертом разделе проводится анализ экспериментальных данных полученных с использованием разработанной информационной системы в стендовых и промысловых условиях, сравнение их с результатами математического моделирования ЦН и разработка метода его диагностирования. Исследовано влияние эксплуатационных факторов на изменение крутящего момента, показано особенности влияния каждого из факторов. Показано влияние износа рабочих органов насоса как на среднее значение крутящего момента, так и на отдельные составляющие его спектра, на основании чего обосновано выбор диагностического признака износа рабочих органов - отношение сумы уровня первых трьох гармоник спектра крутящего момента к суме уровня четвертой и пятой гармоник. На основании чего разработано алгоритм и метод диагностирования ЦН. Апробация разработанной математической модели ЦН на экспериментальных данных, с использованием оболочки МаthCad, подтвердила адекватность результатов моделирования экспериментальным даным. В пятом разделе обусловлено конфигурации системы диагностирования состояния ЦН и выбор основных ее составляющих. Определен критерий организации СД и определены условия, которые обеспечивают его максимальное значение. Рассчитана достоверность диагностирование состояния установок ЕЦН с использованием даного метода. Разработанные метод и технические средства приняты к внедрению нефтедобывающим предприятием НГДП «Черниговнефтегаз». Результаты исследований использованы в учебном процессе при изучении дисциплин «Основы теории надежности и технической диагностики систем», «Проектирование систем диагностирования», «Методы и средства диагностирования оборудования нефтегазового комплекса» для студентов специальности 7.091401 Системы упраления и автоматики.
Dissertation is devoted to working out of the methods of diagnostics of submersible pump for oil extraction that based on valuation of torque on the shaft of immersed electric motors. The diagnostics model of centrifugal pump was worked out. The diagnostics index of its state was defined. The algorithm and the methods of diagnostics were worked out on the base of the diagnostics index. The diagnostic system was worked out. The basic results of the work were implemented in industry of “Chenigivnaftogas” and in teaching process.
6
Фейчук, В. В. "Діагностування малих витоків з газових мереж". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2012. http://elar.nung.edu.ua/handle/123456789/1830.
Повний текст джерелаАнотація:
Дисертацію присвячено удосконаленню методів діагностування витоків із газопроводів газових мереж низького та середнього тиску внаслідок корозійних пошкоджень стінок труб. У роботі виконано дослідження впливу появи витоку з газопроводу на амплітудно-частотну характеристику коливання тиску в газовому потоці. Для цього створено математичні моделі та приведено результати експериментальних і статистичних досліджень процесу, в результаті запропоновано методику діагностування.Dissertation is devoted the improvement of methods of diagnosticating of sources from the gas pipelines of gas networks of low and middle pressure as a result of corrosive damages of walls of pipes.. Research of influence of appearance of source is in-process executed from a gas pipeline on gain-frequency description of pressure fluctuation in a gas stream. For this purpose mathematical models are created and the results of experimental are resulted and statistical researches of process, the method of diagnosticating is offered as a result.
7
Pfoestl, Veronika von [Verfasser], and Nikos [Akademischer Betreuer] Logothetis. "Monitoring Pharmacological Manipulations in the Brain by fMRI in Combination with Neurochemistry and Electrophysiology : Setting the Technical Prerequisites for the Use of fMRI in Drug Screening and Diagnostics / Veronika von Pfoestl ; Betreuer: Nikos Logothetis." Tübingen : Universitätsbibliothek Tübingen, 2012. http://d-nb.info/1162843136/34.
Повний текст джерела
8
Паньків, Ю. В. "Розроблення методу і системи контролю технічного стану насосних агрегатів систем підтримання пластових тисків на нафтових родовищах". Thesis, Івано-Франківський національний технічний університет нафти і газу, 2010. http://elar.nung.edu.ua/handle/123456789/4384.
Повний текст джерелаАнотація:
В роботі вирішено актуальну науково-технічну задачу розробки методу та засобів контролю технічного стану відцентрових насосних агрегатів (ВНА) системи підтримання пластового тиску для підвищення надійності їх експлуатації та забезпечення більш повного використання ресурсу. Для вирішення поставленої задачі були розглянуті особливості роботи насосних агрегатів у системі підтримання пластового тиску та причини і фактори, що зумовлюють виникнення їх дефектів та відмов, проведено аналіз відцентрового насосного агрегату як об’єкта вібродіагностики, який дав змогу визначити та надалі підтвердити експериментально наявність вказаних вище можливих джерел вібрації ВНА, та розроблено його діагностичну модель. Наведено аналіз результатів експериментальних досліджень зв’язку зміни вібрації робочих органів ВНА зі зміною їх технічного стану, визначено діагностичну ознаку - суму добутків значень амплітуди віброшвидкості експериментально визначених найбільш інформативних частотних складових на відповідні вагові коефіцієнти та розроблено на їх основі новий метод контролю. Розроблено методичне, технічне і програмне забезпечення для реалізації запропонованого методу контролю стану ВНА.В работе решена актуальная научно-техническая задача разработки метода и средств контроля технического состояния центробежных насосных агрегатов (ЦНА) системы поддержания пластового давления для повышения надежности их эксплуатации и обеспечения более полного использования ресурса. Решение этой проблемы является важным, поскольку дает возможность перейти от системы планово-предупредительных ремонтов ЦНА к ремонту по фактической технической необходимости и, соответственно, уменьшает затраты на их обслуживание. Для решения поставленной задачи были рассмотрены особенности работы насосных агрегатов в системе поддержания пластового давления, причины и факторы, которые обуславливают возникновение в них дефектов и отказов. Проведенный анализ исследований современных методов диагностирования ЦНА в процессе эксплуатации и их внедрения показал что в данное время отсутствуют специально разработанные методы диагностики для ЦНА, которые применяются в системах ППД. Перспективным является использование методов вибрационной диагностики, ориентированных на использование диагностической информации, которая содержится в колебательных процессах узлов ЦНА. На основании проведенного анализа современного состояния проблемы сформулированы цели и задание диссертационной работы. С целью разработки нового метода контроля состояния ЦНА был проведен анализ центробежного насосного агрегата как объекта вибродиагностики, который дал возможность определить и в дальнейшем подтвердить экспериментально наличие указанных выше возможных источников вибрации в ЦНА, и разработана диагностическая модель ЦНА использование которой дало возможность определить логическую последовательность развития в нем дефектов. Рассмотрена проблема определения передаточной функции ЦНА типа ЦНС-180-1900 с целью оценки изменения его КПД в процессе работы, а также вопроса оценки наличия начальных стадий развития дефектов рабочих колес и уплотнений насоса, по спектральным характеристикам его вибросигналов, предложено использовать для подробного анализа современные частотно-временные преобразования, в частности ЧВП Вигнера-Вилля. Было построено пространственные картины распределения Вигнера-Вилля энергии вибросигнала, записанного в момент пуска ЦНА типа ЦНС-180-1900, и доказана возможность их использования для поиска дефектов рабочих колес и уплотнений на начальных стадиях их развития. Также было разработано методическое, техническое и программное обеспечение метода контроля состояния ЦНА позволяющее оперативно провести комплекс экспериментов с целью определения закономерностей изменения составляющих частотного спектра вибрационных процессов при возникновении и развитии дефектов ЦНА. Приведен анализ результатов экспериментальных исследований связи изменения вибрации рабочих органов ЦНА со сменой их технического состояния. Доказано что не существует связи между изменением уровня любой одной гармонической составляющей частотного спектра виброскорости и техническим состоянием ЦНА, поэтому определено несколько основных информативных гармоник и показано что в процессе контроля технического состояния ЦНА необходимо учитывать тенденцию изменения их всех одновременно. Определен диагностический признак, и разработан на его основе метод контроля. Было принято решение в качестве диагностического признака использовать сумму произведений значений амплитуды виброскорости наиболее информативных частотных составляющих на соответствующие весовые коэффициенты. Также была спроектирована система контроля технического состояния ЦНА по показателям вибрации.
The significant scientific and technical problem devoted to development of method and system for controlling the technical state of centrifugal pump aggregates (CPA) used in the systems of stratum pressure support with the aim to increase the reliability of its exploitation. The main features of CPA, reasons and factors which predetermine the causes of their defects and refusals were reviewed. The analysis of modern diagnostical methods current state related to CPA was performed. On the basis of the performed analysis of the problem current state, a purpose and tasks of thesis were formulated. The analysis of centrifugal pump aggregate as the object of vibrodiagnostics was performed, which allow us to define and to confirm experimentally the number of the possible vibration sources and to develop it’s diagnostical model. The analysis of experimental researches of the CPA operating parts vibration influence with its technical state changing was performed, the diagnostical value was defined, and developed a new control method, based on it. As a diagnostic value the sum of the products of most informing frequency components of vibrovelocity amplitude values on the experimentally certain on the proper weighting coefficients was used. Also developed the methodical instructions, hardware and software for the new method of CPA technical state control imlementation.
9
Klusáček, Stanislav. "Metody bezdemontážní diagnostiky." Doctoral thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-233581.
Повний текст джерелаАнотація:
The main objective of the presented thesis is to contribute to the development of diagnostic methods for piezoelectric sensor testing. The thesis describes the methods for piezoelectric sensors microcracks identification and diagnostics. The core of the thesis presents the development of a knock sensor prototype, design of suitable methods for the knock sensors diagnosis and evaluation of developed methods with focus on detection of microcracks in the sensor piezoceramic. The last part of the thesis deals with the influence of cracks and splits on the measured data from the piezoelectric transducer. The presented methods are focusing on impedance measurements and sensors frequency response measurements. Known properties of used piezoelectric material as an information source for measurement and diagnosis are provided. The main result of the work is the evaluation of the methods developed for the piezoelectric sensors self-diagnosis.
10
Сафонов, Денис Віталійович. "Науково-технічний супровід будівництва монолітних будівель в сучасних умовах". Магістерська робота, 2020. https://dspace.znu.edu.ua/jspui/handle/12345/3817.
Повний текст джерелаАнотація:
Сафонов Д. В. Науково-технічний супровід будівництва монолітних будівель в сучасних умовах : кваліфікаційна робота магістра спеціальності 192 "Будівництво та цивільна інженерія" / наук. керівник Н. О. Данкевич. Запоріжжя : ЗНУ, 2020. 106 с.UA : Проаналізовані конструктивні рішення та особливості проектування, багатоповерхових монолітних будівель. Визначити основні аспекти організаційно-технологічних рішень зведення монолітних конструкцій в розрізі виконання бетонних робіт при зведенні каркасу будинку. Виконано порівняльний аналіз існуючих методів визначення міцності бетону в конструкціях та обґрунтовано використання моделі системи моніторингу і управління процесом тверднення бетону в монолітних конструкціях для багатоповерхових житлових будинків.
EN : Constructive solutions and design features of multi-storey monolithic buildings are analyzed. The main aspects of organizational and technological solutions for the erection of monolithic structures in the context of the performance of concrete work during the construction of the frame have been determined. A comparative analysis of the existing methods for determining the strength of concrete in structures is carried out and the use of a model for monitoring and controlling the process of concrete hardening in monolithic structures for multi-storey residential buildings is substantiated.
Книги з теми "Diagnostics and monitoring of technical state"
1
Shin, Y. S. Submarine-installed machinery monitoring and diagnostics: A state-of-the-art review. Monterey, Calif: Naval Postgraduate School, 1991.
Знайти повний текст джерела
2
Robinson, John D. Submarine-installed machinery monitoring and diagnostics: A state-of-the-art review. Monterey, Calif: Naval Postgraduate School, 1990.
Знайти повний текст джерела
3
Butkus, Steven R. Condition of freshwaters in Washington State: Technical appendix. Olympia, Wash: Environmental Assessment Program, 2001.
Знайти повний текст джерела
4
Vlasov, Vladimir, Veniamin Bogumil, and Ali Baytulaev. Digital infrastructure and telematics systems for monitoring the maintenance of roads. ru: INFRA-M Academic Publishing LLC., 2021. http://dx.doi.org/10.12737/1014643.
Повний текст джерелаАнотація:
The textbook gives the concept of digital infrastructure, shows its role as the technological basis of modern telematics systems for monitoring the maintenance of roads. The issues of creating and using elements of digital infrastructure in the road sector, as well as technological processes of automated control of maintenance of roads, streets, and highways are considered. The requirements for the main functions and characteristics of the telematics equipment of road vehicles and mechanisms are given.
The material of the manual is based on the results of theoretical research and practical work on the creation and implementation of automated control systems for the maintenance of roads.
Meets the requirements of the federal state educational standards of higher education of the latest generation.
For students studying in technical areas of training and specialties.
5
Washington (State). Dept. of Agriculture., Washington (State). Chemigation and Fertigation Technical Assistance Program., and Washington State Library. Electronic State Publications., eds. Licensing of chemigation monitoring equipment. Moses Lake, WA: Washington State Dept. of Agriculture, 2002.
Знайти повний текст джерела
6
Washington (State). Dept. of Agriculture., Washington (State). Chemigation and Fertigation Technical Assistance Program., and Washington State Library. Electronic State Publications., eds. Monitoring of chemigation and fertigation systems. Moses Lake, WA: Washington State Dept. of Agriculture, 2003.
Знайти повний текст джерела
7
Drug control: Impact of DOD's detection and monitoring on cocaine flow : report to congressional requesters. Washington, D.C: The Office, 1991.
Знайти повний текст джерела
8
Lutsenko, V. I., I. V. Lutsenko, D. O. Popov, and I. V. Popov. Remote sensing of the environment using the radiation of existing ground and space radio systems. PH “Akademperiodyka”, 2020. http://dx.doi.org/10.15407/akademperiodyka.429.345.
Повний текст джерелаАнотація:
Possibilities of using existing ground (TV centers, broadcasting stations) and space (global navigation satellite systems) radio systems for solving the problem of remote sensing and monitoring of the environment and objects in it are considered. The methods of diagnostics of the troposphere, description of the refractive index with the use of semi-Markov processes and atomic functions of Kravchenko-Rvacheva are proposed. The seasonal and altitudinal dependencies of radio-meteorological parameters and radio-climatic features of Ukraine were studied. Technologies for determining the effective gradient of the refractive index by damping factor of the VHF signals of television centers on the OTH routes in the zone of the near geometric shadow, on the angles of radioa "rise" and "sets" of the AES, detection of precipitation zones by the fluctuations of the pseudoranges and changes of the coordinates estimates, parameters of the surface of the earth by the fluctuations of the GNSS signals. Reviewers: Head of the Department of Radio waves propagation in the natural environments of the O. Ya. Usikov Institute for Radiophysics and Electronics NASU, Doctor of Physical and Mathematical Sciences, Professor Kivva F.V., Professor of the Department of Designing Radioelectronic Devices of Aircraft of the National Aerospace University. M.E. Zhukovsky (KhAI), Doctor of Technical Sciences, Professor Volosyuk V.K.
Частини книг з теми "Diagnostics and monitoring of technical state"
1
Svirskiy, Yury A., Andrey A. Bautin, Ljubisa Papic, and Irina V. Gadolina. "Methods of Modern Aircraft Structural Health Monitoring and Diagnostics of Technical State." In Management and Industrial Engineering, 1–28. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65497-3_1.
Повний текст джерела
2
Daum, Werner. "Guidelines for Structural Health Monitoring." In Handbook of Technical Diagnostics, 539–41. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-25850-3_27.
Повний текст джерела
3
Skupnik, Damian. "Multifractals in Technical Diagnostics General Concept." In Applied Condition Monitoring, 245–54. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61927-9_23.
Повний текст джерела
4
Daum, Werner. "Principles, Concepts and Assessment of Structural Health Monitoring." In Handbook of Technical Diagnostics, 413–24. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-25850-3_20.
Повний текст джерела
5
Raj, Baldev, and B. Venkatraman. "Overview of Diagnostics and Monitoring Methods and Techniques." In Handbook of Technical Diagnostics, 43–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-25850-3_4.
Повний текст джерела
6
Kochergin, Viktor, Pavel Plekhanov, Dmitry Roenkov, and Elena Bogdanova. "Technical State Monitoring of Automatic Control Systems." In International Scientific Siberian Transport Forum TransSiberia - 2021, 265–73. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96383-5_30.
Повний текст джерела
7
Z’Graggen, Werner J., and Claudio Pollo. "Monitoring of Brain Function in Neurointensive Care: Current State and Future Requirements." In Emerging Electromagnetic Technologies for Brain Diseases Diagnostics, Monitoring and Therapy, 1–6. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-75007-1_1.
Повний текст джерела
8
Zaporozhets, Artur, Svitlana Kovtun, and Oleh Dekusha. "System for Monitoring the Technical State of Heating Networks Based on UAVs." In Advances in Intelligent Systems and Computing IV, 935–50. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-33695-0_61.
Повний текст джерела
9
Senyukova, Olga, Valeriy Gavrishchaka, and Mark Koepke. "Universal Multi-complexity Measures for Physiological State Quantification in Intelligent Diagnostics and Monitoring Systems." In Communications in Computer and Information Science, 76–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54121-6_7.
Повний текст джерела
10
Savrukhin, A., V. Kruglov, V. Erofeev, A. Bulgakov, and S. Gladkin. "About Construction of a System for Monitoring the Current Technical State of the Railway Tracks." In SMART Automatics and Energy, 157–67. Singapore: Springer Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-8759-4_17.
Повний текст джерелаТези доповідей конференцій з теми "Diagnostics and monitoring of technical state"
1
Celis, Cesar, Érica Xavier, Tairo Teixeira, and Gustavo R. S. Pinto. "Steady State Detection in Industrial Gas Turbines for Condition Monitoring and Diagnostics Applications." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25007.
Повний текст джерелаАнотація:
This work describes the development and implementation of a signal analysis module which allows the reliable detection of operating regimes in industrial gas turbines. Its use is intended for steady state-based condition monitoring and diagnostics systems. This type of systems requires the determination of the operating regime of the equipment, in this particular case, of the industrial gas turbine. After a brief introduction the context in which the signal analysis module is developed is highlighted. Next the state of the art of the different methodologies used for steady state detection in equipment is summarized. A detailed description of the signal analysis module developed, including its different sub systems and the main hypotheses considered during its development, is shown to follow. Finally the main results obtained through the use of the module developed are presented and discussed. The results obtained emphasize the adequacy of this type of procedures for the determination of operating regimes in industrial gas turbines.
2
Manservigi, Lucrezia, Mauro Venturini, Giuseppe Fabio Ceschini, Giovanni Bechini, and Enzo Losi. "A General Diagnostic Methodology for Sensor Fault Detection, Classification and Overall Health State Assessment." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-90055.
Повний текст джерелаАнотація:
Abstract Sensor fault detection and classification is a key challenge for machine monitoring and diagnostics. To this purpose, a comprehensive approach for Detection, Classification and Integrated Diagnostics of Gas Turbine Sensors (named DCIDS), previously developed by the authors, is improved in this paper to detect and classify different fault classes. For a single sensor or redundant/correlated sensors, the improved diagnostic tool, called I-DCIDS, can identify seven classes of fault, i.e. out of range, stuck signal, dithering, standard deviation, trend coherence, spike and bias. Fault detection is performed by means of basic mathematical laws that require some user-defined input parameters, i.e. acceptability thresholds and windows of observation. This paper presents in detail the I-DCIDS methodology for sensor fault detection and classification. Moreover, this paper reports some examples of application of the methodology to simulated data to highlight its capability to detect sensor faults which can be commonly encountered in field applications.
3
Zarate, Luis Angel Miro, and Igor Loboda. "Computation and Monitoring of the Deviations of Gas Turbine Unmeasured Parameters." In ASME Turbo Expo 2015: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gt2015-43862.
Повний текст джерелаАнотація:
One of the principle purposes of gas turbine diagnostics is the estimation and monitoring of important unmeasured quantities such as engine thrust, shaft power, and engine component efficiencies. There are simple methods that allow computing the unmeasured parameters using measured variables and gas turbine thermodynamics. However, these parameters are not good diagnostic indices because they strongly depend on engine operating conditions but in a less degree are influenced by engine degradation and faults. In the case of measured gas path variables, deviations between measurements and an engine steady state baseline were found to be good indicators of engine health. In this paper, the deviation computation and monitoring are extended to the unmeasured parameters. To verify this idea, the deviations of compressor and turbine efficiencies as well as a high pressure turbine inlet temperature are examined. Deviation computations were performed at steady states for both baseline and faulty engine conditions using a nonlinear thermodynamic model and real data. These computational experiments validate the utility of the deviations of unmeasured variables for gas turbine monitoring and diagnostics. The thermodynamic model is used in this paper only to generate data, and the proposed algorithm for computing the deviations of unmeasured parameter can be considered to be a data-driven technique. This is why the algorithm is not affected by inaccuracies of a physics-based model, is not exigent to computer resources, and can be used in on-line monitoring systems.
4
Pennacchi, Paolo, Pietro Borghesani, Steven Chatterton, and Candas Gultekin. "Condition Monitoring and Diagnostics of Wind Turbines: A Survey." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35352.
Повний текст джерелаАнотація:
Wind energy conversion is the fastest growing source of electricity generation in the world among the other renewable energy production technologies. Whereas investment costs have decreased over years, operational and maintenance costs of wind turbines are still high, thus attracting the focus of researchers and industrial operators. Classical maintenance techniques, i.e.: run-to-failure and scheduled-preventive maintenance, are still dominant in this sector; however, condition monitoring has gained space in the wind turbine market and new diagnostic methods and techniques are continuously being proposed. Condition monitoring techniques seem the most effective tools to minimize operational and maintenance costs and reduce downtimes by early detection of faults. This paper is aimed at reviewing the state of the art of condition monitoring for horizontal axis wind turbines. After a brief introduction presenting the current trends in the market of wind energy, the paper reviews the most common failure modes of wind turbines and the traditional approach to maintenance. The core of this study details the state of the art in the field of system architectures, sensors and signal processing techniques for the diagnostic of faults in wind turbine components. Finally, some general conclusions are drawn on the overall trends in the field of condition monitoring of wind turbines.
5
Loboda, Igor, Victor Manuel Pineda Molina, and Juan Luis Pérez-Ruiz. "Adjustment and Validation of Monitoring System Algorithms on the Simulated Historical Data of an Aircraft Engine Fleet." In ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-60020.
Повний текст джерелаАнотація:
Abstract In the field of gas turbine diagnostics, a significant gap is observed between the variety of proposed and investigated diagnostic solutions and a narrow group of algorithms employed in real monitoring systems. One of the explanations is that diagnostic algorithms of a monitoring system (system components) are usually developed and verified separately from each other. An additional explanation is related to simplified simulated data used to verify the algorithms. The present paper aims to adjust and validate the joint operation of the algorithms of a gas turbine monitoring system during the whole lifetime. The software tool called the Propulsion Diagnostic Method Evaluation Strategy (ProDiMES) provides the input data. This tool realistically simulates the steady-state parameters of an aircraft engine fleet. The simulation embraces a total engine life and includes different variations of deterioration and various engine, actuator, and sensor faults. Using ProDiMES, some diagnostic solutions have been verified so far. However, they do not include all necessary monitoring system components, use a short fixed-time interval of input data, and do not analyze long-term deterioration. In contrast, this paper presents an attempt to enhance a whole diagnostic process. It considers the operation of various data-driven algorithms of a monitoring system during engine life. The paper focuses on the tuning of the algorithms themselves and adjustment of their interactions.
6
Kumano, Shintaro, Naotaka Mikami, and Kuniaki Aoyama. "Advanced Gas Turbine Diagnostics Using Pattern Recognition." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45670.
Повний текст джерелаАнотація:
Power plant owners require their plants’ high reliability, availability and also reduction of the cost in today’s power generation industry. In addition, the power generation industry is faced with a reduction of experienced operators and sophistication of power generation equipment. Remote monitoring service provided by original equipment manufacturers (OEMs) has become increasingly popular due to growing demand for both improvement of plant reliability and solution of experienced operator shortage. Through remote monitoring service, customers can benefit from swift and appropriate operational support based on OEM’s know-how. Before implementation of remote monitoring, the customer and OEM often required repeated interchanges of information about operation and instrumentation data. These interchanges took a lot of time. Data analysis and estimation of deterioration were time-consuming. Remote monitoring has enabled us, OEMs, not only to access to a plant’s real-time information but also to trace the historical operation data, and therefore the required time of data analysis and improvement has been reduced. Mitsubishi Heavy Industries, Ltd. also embarked on around-the-clock remote monitoring service for gas turbine plant over a decade ago and has increased its ability over time. At present, the application of remote monitoring systems have been extended not only into proactive maintenance by making use of diagnostic techniques carried out by expert engineers but also into building a pattern recognition system and an artificial intelligence system using expert’ knowledge. Conventional diagnostics is only determining whether the plant is being operated within the prescribed threshold levels. Pattern recognition is a state-of-the-art technique for diagnosing plant operating conditions. By comparing past and present conditions, small deterioration can be detected before it needs inspection or repair, while all the operating parameter is within their threshold levels. Mahalanobis-Taguchi method (MT method) is a technique for pattern recognition and has the advantage of diagnosing overall GT condition by combining many variables into one indicator called Mahalanobis distance. MHI has applied MT method to the monitoring of gas turbines and verified it to be efficient method of diagnostics. Now, in addition to the MT method, automatic abnormal data discrimination system has been developed based on an artificial intelligence technique. Among a lot of artificial intelligence techniques, Bayesian network mathematical model is used.
7
Khramshin, V. R., A. A. Nikolayev, S. A. Evdokimov, Y. N. Kondrashova, and T. P. Larina. "Validation of diagnostic monitoring technical state of iron and steel works transformers." In 2016 IEEE NW Russia Young Researchers in Electrical and Electronic Engineering Conference (EIConRusNW). IEEE, 2016. http://dx.doi.org/10.1109/eiconrusnw.2016.7448253.
Повний текст джерела
8
Tamilselvan, Prasanna, and Pingfeng Wang. "A Hybrid Inference Approach for Health Diagnostics With Unexampled Faulty States." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70806.
Повний текст джерелаАнотація:
System health diagnostics provides diversified benefits such as improved safety, improved reliability and reduced costs for the operation and maintenance of engineered systems. Successful health diagnostics requires the knowledge of system failures. However, with an increasing complexity it is extraordinarily difficult to have a well-tested system so that all potential faulty states can be realized and studied at product testing stage. Thus, real time health diagnostics requires automatic detection of unexampled faulty states through the sensory signals to avoid sudden catastrophic system failures. This paper presents a hybrid inference approach (HIA) for structural health diagnosis with unexampled faulty states, which employs a two-fold inference process comprising of preliminary statistical learning based anomaly detection and artificial intelligence based health state classification for real time condition monitoring. The HIA is able to identify and isolate the unexampled faulty states through interactively detecting the deviation of sensory data from the known health states and forming new health states autonomously. The proposed approach takes the advantages of both statistical approaches and artificial intelligence based techniques and integrates them together in a unified diagnosis framework. The performance of proposed HIA is demonstrated with a power transformer and roller bearing health diagnosis case studies, where Mahalanobis distance serves as a representative statistical inference approach.
9
Volkovas, Vitalijus. "Built-In Inspection Using Mechanical Energy Converting Elements." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-42156.
Повний текст джерелаАнотація:
The paper presents a conversion model of the mechanical energy into the electrical one and shows that autonomic diagnostic devices can be developed on that basis. Built-in inspection uses these devices working on the conversion of the mechanical energy of vibration, applying for this reason piezoelectric matrices connected with the mechanical system, which are investigated theoretically and experimentally. It is shown that converters made of piezoelectric ceramics or film can work reliably enough by being placed directly in the objects to be inspected. Relative precision and abilities of the energy conversion for monitoring and diagnostic problem can be evaluated by simulating the dynamics of a general model according to the technical state of a mechanical system. It is suggested a concrete solution for the technical state monitoring and cracks diagnostics of constructive elements in different mechanical systems.
10
Sappok, Alexander, and Leslie Bromberg. "Development of Radio Frequency Sensing for In-Situ Diesel Particulate Filter State Monitoring and Aftertreatment System Control." In ASME 2013 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icef2013-19199.
Повний текст джерелаАнотація:
Diesel particulate filters (DPF) have seen widespread application in the United States and Europe to meet stringent diesel particulate matter (PM) emissions regulations. Now commonplace on most on-road diesel vehicles, DPFs are being increasingly applied to diesel-powered off-road equipment as additional regulations are phased in. Further, recent awareness of particulate matter emissions from gasoline direct injection engines has motivated additional study into potential applications of gasoline particulate filters (GPF). Key to the efficient operation of the combined engine and emissions aftertreatment system, is the accurate determination of the filter loading state, to enable precise control of filter regeneration and on-board diagnostics. Currently pressure- and model-based controls are utilized, in parallel, to provide an indirect estimate of filter loading. This work presents results of an investigation applying radio frequencies (RF) to monitor the accumulation of particulate matter in the DPF, providing a direct, in-situ determination of filter loading state. Simulation results, supported by experimental measurements, are provided to demonstrate the utility of the technique to monitor not only the filter loading state but also to provide a measure of the spatial distribution of the accumulated material. The results of this work indicate significant potential to apply RF-based sensing for improved monitoring and control of the particulate filter in a range of applications.
Звіти організацій з теми "Diagnostics and monitoring of technical state"
1
Tait, Emma, Pia Ruisi-Besares, Matthias Sirch, Alyx Belisle, Jennifer Pontius, and Elissa Schuett. Technical Report: Monitoring and Communicating Changes in Disturbance Regimes (Version 1.0). Forest Ecosystem Monitoring Cooperative, October 2021. http://dx.doi.org/10.18125/cc0a0l.
Повний текст джерелаАнотація:
Shifts in disturbance patterns across the Northeast are of increasing concern as the climate continues to change. In particular, changes in patterns of frequency, severity and extent of disturbance event may have detrimental cascading impacts on forest ecosystems and human communities. To explore how changing disturbance regimes might impact future forest health and management it is necessary to understand the historical trends and impacts of disturbance in the region. Although individual types of disturbance have already been analyzed, there is a need for a consolidated overview of the current state of disturbance in northeastern forests. To address this need, the Forest Ecosystem Monitoring Cooperative (FEMC) developed the FEMC: Tracking Shifts in Disturbance Regimes web portal for users to explore changes over time of key disturbance drivers, identify important disturbance responses, and discover where monitoring is happening for both drivers and responses. In collaboration with our advisory committee, we identified key disturbance drivers—flood, high winds, fire, drought, pests—and responses—macroinvertebrates, cold-water fisheries, invasive plants—that are of particular concern in the region. For each of the drivers we identified a suitable regional dataset and analyzed changes over time in frequency, severity, and extent. We also created a structured framework to catalogue programs across the region that are monitoring for these disturbance drivers and responses. Version 1.0 of the FEMC: Tracking Shifts in Disturbance Regimes (https://uvm.edu/femc/disturbance) web portal, first released in October 2021, contains 272 data programs, 11 drivers and three responses. Through the web portal users can browse programs by state, driver type or response type, and explore where monitoring is happening across the region. Driver-specific analyses allow users to quickly see the trends in severity, frequency and extent of selected disturbances and compare the impacts in selected states to regional data. We hope that this collection of programs and the analysis of trends provide researchers and land managers with an easy way to understand the current state of disturbance in northeastern forests that enables them to analyze and plan for future impacts.
2
Pokrzywinski, Kaytee, Kaitlin Volk, Taylor Rycroft, Susie Wood, Tim Davis, and Jim Lazorchak. Aligning research and monitoring priorities for benthic cyanobacteria and cyanotoxins : a workshop summary. Engineer Research and Development Center (U.S.), August 2021. http://dx.doi.org/10.21079/11681/41680.
Повний текст джерелаАнотація:
In 2018, the US Army Engineer Research and Development Center partnered with the US Army Corps of Engineers–Buffalo District, the US Environmental Protection Agency, Bowling Green State University, and the Cawthron Institute to host a workshop focused on benthic and sediment-associated cyanobacteria and cyanotoxins, particularly in the context of harmful algal blooms (HAB). Technical sessions on the ecology of benthic cyanobacteria in lakes and rivers; monitoring of cyanobacteria and cyanotoxins; detection of benthic and sediment-bound cyanotoxins; and the fate, transport, and health risks of cyanobacteria and their associated toxins were presented. Research summaries included the buoyancy and dispersal of benthic freshwater cyanobacteria mats, the fate and quantification of cyanotoxins in lake sediments, and spatial and temporal variation of toxins in streams. In addition, summaries of remote sensing methods, omic techniques, and field sampling techniques were presented. Critical research gaps identified from this workshop include (1) ecology of benthic cyanobacteria, (2) identity, fate, transport, and risk of cyanotoxins produced by benthic cyanobacteria, (3) standardized sampling and analysis protocols, and (4) increased technical cooperation between government, academia, industry, nonprofit organizations, and other stakeholders. Conclusions from this workshop can inform monitoring and management efforts for benthic cyanobacteria and their associated toxins.
3
Lehtimaki, Susanna, Kassim Nishtar, Aisling Reidy, Sara Darehshori, Andrew Painter, and Nina Schwalbe. Independent Review and Investigation Mechanisms to Prevent Future Pandemics: A Proposed Way Forward. United Nations University International Institute for Global Health, May 2021. http://dx.doi.org/10.37941/pb-f/2021/2.
Повний текст джерелаАнотація:
Based on the proposal by the European Council, more than 25 heads of state and the World Health Organization (WHO) support development of an international treaty on pandemics, that planned to be negotiated under the auspices of WHO, will be presented to the World Health Assembly in May 2021. Given that the treaty alone is not enough to ensure compliance, triggers for a high-level political response is required. To this end, to inform the design of a support system, we explored institutional mechanismsi with a mandate to review compliance with key international agreements in their signatory countries and conduct independent country investigations in a manner that manages sovereign considerations. Based on our review, there is no single global mechanism that could serve as a model in its own right. There is, however, potential to combine aspects of existing mechanisms to support a strong, enforceable treaty. These aspects include: • Periodic review - based on the model of human rights treaties, with independent experts as the authorized monitoring body to ensure the independence. If made obligatory, the review could support compliance with the treaty. • On-site investigations - based on the model by the Committee on Prevention of Torture according to which visits cannot be blocked by state parties. • Non-negotiable design principles - including accountability; independence; transparency and data sharing; speed; emphasis on capabilities; and incentives. • Technical support - WHO can provide countries with technical assistance, tools, monitoring, and assessment to enhance emergency preparedness and response.
4
Findlay, Trevor. The Role of International Organizations in WMD Compliance and Enforcement: Autonomy, Agency, and Influence. The United Nations Institute for Disarmament Research, December 2020. http://dx.doi.org/10.37559/wmd/20/wmdce9.
Повний текст джерелаАнотація:
Major multilateral arms control and disarmament treaties dealing with weapons of mass destruction (WMD) often have mandated an international organization to monitor and verify State party compliance and to handle cases of non-compliance. There are marked differences in the mandates and technical capabilities of these bodies. Nonetheless, they often face the same operational and existential challenges. This report looks at the role of multilateral verification bodies, especially their secretariats, in dealing with compliance and enforcement, the extent to which they achieve “agency” and “influence” in doing so, and whether and how such capacities might be enhanced. In WMD organizations it is the governing bodies that make decisions about noncompliance and enforcement. The role of their secretariats is to manage the monitoring and verification systems, analyse the resulting data – and data from other permitted sources – and alert their governing bodies to suspicions of non-compliance. Secretariats are expected to be impartial, technically oriented and professional. It is when a serious allegation of non-compliance arises that their role becomes most sensitive politically and most vital. The credibility of Secretariats in these instances will depend on the agency and influence that they have accumulated. There are numerous ways in which an international secretariat can position itself for maximum agency and influence, essentially by making itself indispensable to member States and the broader international community. It can achieve this by engaging with multiple stakeholders, aiming for excellence in its human and technical resources, providing timely and sustainable implementation assistance, ensuring an appropriate organizational culture and, perhaps most of all, understanding that knowledge is power. The challenge for supporters of international verification organizations is to enhance those elements that give them agency and influence and minimize those that lead to inefficiencies, dysfunction and, most damaging of all, political interference in verification and compliance judgements.
5
Haßler, Björn, and Gesine Haseloff. TVET Research in SSA: Recommendations for Thematic Priorities. Undefined, February 2022. http://dx.doi.org/10.53832/opendeved.0268.
Повний текст джерелаАнотація:
This paper builds on our study on research on Technical and Vocational Education and Training (TVET) in sub-Saharan Africa (SSA). The study was commissioned by the German Federal Ministry of Education and Research (Bundesministerium für Bildung und Forschung, BMBF) and was conducted in 2019. Our study undertook a systematic literature review, which evaluated over 2,000 scientific publications, classifying some 300 as relevant to the topic and examined them in greater detail. One focus area was the institutionalisation of research on TVET in sub-Saharan Africa, its actors, networks and funding. A second area focused on the topics and content addressed by researchers on TVET in SSA. Our comprehensive study allows us to derive indications for future TVET research in SSA, which form the content of the present paper. Our recommendations for future research emerge from: The research literature analysed; A series of expert interviews; and A Structured Community Review. Our key contribution is an extension of the Mulder-Roelofs Vocational Education and Training Research Framework of categories for TVET research. The framework reflects the focus and quality criteria of European/German TVET, and is an ideal starting point. Through our research, we revised and extended the framework for use in SSA. Our goal was to build on international standards on the one hand, but on the other hand to extend and apply those for use in SSA. It therefore makes it possible to respond to the latest state of research both from a European perspective (e.g., donors/organisations like BMBF), as well as to examine the broad spectrum of very different aspects of TVET research in SSA. After presenting the relevant categories of TVET research, the authors go into detail on the topics for further research. Their conclusion recommends continuous research monitoring based on a constantly updated international network of researchers and institutions with an interest in TVET research in SSA. In particular, we propose a coordinated effort for an online, international community of stakeholders and researchers involved in TVET research in sub-Saharan Africa (https://convet.org).
6
Lewis, Dustin. Three Pathways to Secure Greater Respect for International Law concerning War Algorithms. Harvard Law School Program on International Law and Armed Conflict, 2020. http://dx.doi.org/10.54813/wwxn5790.
Повний текст джерелаАнотація:
Existing and emerging applications of artificial intelligence in armed conflicts and other systems reliant upon war algorithms and data span diverse areas. Natural persons may increasingly depend upon these technologies in decisions and activities related to killing combatants, destroying enemy installations, detaining adversaries, protecting civilians, undertaking missions at sea, conferring legal advice, and configuring logistics. In intergovernmental debates on autonomous weapons, a normative impasse appears to have emerged. Some countries assert that existing law suffices, while several others call for new rules. Meanwhile, the vast majority of efforts by States to address relevant systems focus by and large on weapons, means, and methods of warfare. Partly as a result, the broad spectrum of other far-reaching applications is rarely brought into view. One normatively grounded way to help identify and address relevant issues is to elaborate pathways that States, international organizations, non-state parties to armed conflict, and others may pursue to help secure greater respect for international law. In this commentary, I elaborate on three such pathways: forming and publicly expressing positions on key legal issues, taking measures relative to their own conduct, and taking steps relative to the behavior of others. None of these pathways is sufficient in itself, and there are no doubt many others that ought to be pursued. But each of the identified tracks is arguably necessary to ensure that international law is — or becomes — fit for purpose. By forming and publicly expressing positions on relevant legal issues, international actors may help clarify existing legal parameters, pinpoint salient enduring and emerging issues, and detect areas of convergence and divergence. Elaborating legal views may also help foster greater trust among current and potential adversaries. To be sure, in recent years, States have already fashioned hundreds of statements on autonomous weapons. Yet positions on other application areas are much more difficult to find. Further, forming and publicly expressing views on legal issues that span thematic and functional areas arguably may help States and others overcome the current normative stalemate on autonomous weapons. Doing so may also help identify — and allocate due attention and resources to — additional salient thematic and functional areas. Therefore, I raise a handful of cross-domain issues for consideration. These issues touch on things like exercising human agency, reposing legally mandated evaluative decisions in natural persons, and committing to engage only in scrutable conduct. International actors may also take measures relative to their own conduct. To help illustrate this pathway, I outline several such existing measures. In doing so, I invite readers to inventory and peruse these types of steps in order to assess whether the nature or character of increasingly complex socio-technical systems reliant upon war algorithms and data may warrant revitalized commitments or adjustments to existing measures — or, perhaps, development of new ones. I outline things like enacting legislation necessary to prosecute alleged perpetrators of grave breaches, making legal advisers available to the armed forces, and taking steps to prevent abuses of the emblem. Finally, international actors may take measures relative to the conduct of others. To help illustrate this pathway, I outline some of the existing steps that other States, international organizations, and non-state parties may take to help secure respect for the law by those undertaking the conduct. These measures may include things like addressing matters of legal compliance by exerting diplomatic pressure, resorting to penal sanctions to repress violations, conditioning or refusing arms transfers, and monitoring the fate of transferred detainees. Concerning military partnerships in particular, I highlight steps such as conditioning joint operations on a partner’s compliance with the law, planning operations jointly in order to prevent violations, and opting out of specific operations if there is an expectation that the operations would violate applicable law. Some themes and commitments cut across these three pathways. Arguably, respect for the law turns in no small part on whether natural persons can and will foresee, understand, administer, and trace the components, behaviors, and effects of relevant systems. It may be advisable, moreover, to institute ongoing cross-disciplinary education and training as well as the provision of sufficient technical facilities for all relevant actors, from commanders to legal advisers to prosecutors to judges. Further, it may be prudent to establish ongoing monitoring of others’ technical capabilities. Finally, it may be warranted for relevant international actors to pledge to engage, and to call upon others to engage, only in armed-conflict-related conduct that is sufficiently attributable, discernable, and scrutable.
7
Coulson, Saskia, Melanie Woods, Drew Hemment, and Michelle Scott. Report and Assessment of Impact and Policy Outcomes Using Community Level Indicators: H2020 Making Sense Report. University of Dundee, 2017. http://dx.doi.org/10.20933/100001192.
Повний текст джерелаАнотація:
Making Sense is a European Commission H2020 funded project which aims at supporting participatory sensing initiatives that address environmental challenges in areas such as noise and air pollution. The development of Making Sense was informed by previous research on a crowdfunded open source platform for environmental sensing, SmartCitizen.me, developed at the Fab Lab Barcelona. Insights from this research identified several deterrents for a wider uptake of participatory sensing initiatives due to social and technical matters. For example, the participants struggled with the lack of social interactions, a lack of consensus and shared purpose amongst the group, and a limited understanding of the relevance the data had in their daily lives (Balestrini et al., 2014; Balestrini et al., 2015). As such, Making Sense seeks to explore if open source hardware, open source software and and open design can be used to enhance data literacy and maker practices in participatory sensing. Further to this, Making Sense tests methodologies aimed at empowering individuals and communities through developing a greater understanding of their environments and by supporting a culture of grassroot initiatives for action and change. To do this, Making Sense identified a need to underpin sensing with community building activities and develop strategies to inform and enable those participating in data collection with appropriate tools and skills. As Fetterman, Kaftarian and Wanderman (1996) state, citizens are empowered when they understand evaluation and connect it in a way that it has relevance to their lives. Therefore, this report examines the role that these activities have in participatory sensing. Specifically, we discuss the opportunities and challenges in using the concept of Community Level Indicators (CLIs), which are measurable and objective sources of information gathered to complement sensor data. We describe how CLIs are used to develop a more indepth understanding of the environmental problem at hand, and to record, monitor and evaluate the progress of change during initiatives. We propose that CLIs provide one way to move participatory sensing beyond a primarily technological practice and towards a social and environmental practice. This is achieved through an increased focus in the participants’ interests and concerns, and with an emphasis on collective problem solving and action. We position our claims against the following four challenge areas in participatory sensing: 1) generating and communicating information and understanding (c.f. Loreto, 2017), 2) analysing and finding relevance in data (c.f. Becker et al., 2013), 3) building community around participatory sensing (c.f. Fraser et al., 2005), and 4) achieving or monitoring change and impact (c.f. Cheadle et al., 2000). We discuss how the use of CLIs can tend to these challenges. Furthermore, we report and assess six ways in which CLIs can address these challenges and thereby support participatory sensing initiatives: i. Accountability ii. Community assessment iii. Short-term evaluation iv. Long-term evaluation v. Policy change vi. Capability The report then returns to the challenge areas and reflects on the learnings and recommendations that are gleaned from three Making Sense case studies. Afterwhich, there is an exposition of approaches and tools developed by Making Sense for the purposes of advancing participatory sensing in this way. Lastly, the authors speak to some of the policy outcomes that have been realised as a result of this research.
8
District level baseline survey of family planning program in Uttar Pradesh: Nainital. Population Council, 1995. http://dx.doi.org/10.31899/rh1995.1011.
Повний текст джерелаАнотація:
In 1992, the Ministry of Health and Family Welfare and the United States Agency for International Development, New Delhi, began the Innovations in Family Planning Services Project (IFPS) under the management of the State Innovation in Family Planning Services Agency (SIFPSA), Lucknow. The goal was to reduce the fertility rate in Uttar Pradesh by expanding and improving family planning (FP) services. To achieve this, the IFPS project will support service innovations in the public and nongovernmental sectors and through contraceptive social marketing mechanisms. The Baseline Survey in Uttar Pradesh (BSUP) is being undertaken as one important component of the IFPS project. The BSUP is designed to provide information on fertility, FP, and maternal and child health care that will be helpful in monitoring and evaluating population and family welfare policies and programs. SIFPSA has designated the Population Council as the nodal organization responsible for providing technical guidance for the survey. The Indian Institute of Health Management Research, Jaipur, will conduct the survey in the district of Nainital.
9
District level baseline survey of family planning program in Uttar Pradesh: Pithoragarh. Population Council, 1995. http://dx.doi.org/10.31899/rh1995.1012.
Повний текст джерелаАнотація:
In 1992, the Ministry of Health and Family Welfare and the United States Agency for International Development, New Delhi, began the Innovations in Family Planning Services Project (IFPS) under the management of the State Innovation in Family Planning Services Agency (SIFPSA), Lucknow. The goal was to reduce the fertility rate in Uttar Pradesh by expanding and improving family planning (FP) services. To achieve this, the IFPS project will support service innovations in the public sector and nongovernmental sectors and through contraceptive social marketing mechanisms. The Baseline Survey in Uttar Pradesh (BSUP) is being undertaken as one important component of the IFPS project. The BSUP is designed to provide information on fertility, FP, and maternal and child health care that will be helpful in monitoring and evaluating population and family welfare policies and programs. SIFPSA has designated the Population Council as the nodal organization responsible for providing technical guidance for the survey. The responsibility of conducting this multicentric survey in the district of Pithoragarh was given to the Indian Institute of Health Management Research, Jaipur.